代码题库

Add Two Binary Strings

Credit-Based Backpressure — Replay Producer/Consumer Events into a State Trace

Multi-Feed Bar-Sync Period: LCM Modulo p

Per-Position Flag Bitmask Queries

DAG Multi-Worker Topological Schedule

DAG Schedule on K Machines with Critical-Path Priority

Divide-and-Conquer Sum Tree (Parallel Reduction Simulation)

Fan-Out / Fan-In Coordination — Event Replay

First Duplicate Order ID

FizzBuzz

Fork-Join Segment Stats (Welford Pairwise Merge)

GCD of Share Lots — Round-Lot Reconciliation

Largest Rectangle in Order Book Depth

Leaky-Bucket Rate Limiter as Admission Control

MapReduce Group-By Count (Two-Phase Aggregation)

Min Contracts to Cover Greek Buckets via Bitmask BFS

Order Queue Priority

Parallel Pairwise Mean Merge with Kahan Compensation

Cache-Aware Pipeline Replay — Minimum Re-run Set with Input-Hash Chaining

Research Pipeline DAG — Cascade-Invalidate Downstream of a Failed Task

Research Pipeline DAG — Compute the Next-Runnable Set

Power-of-Two Bit Check

Primality Test by Trial Division

Priority-Driven Task Scheduling with Deps on a Worker Pool

Reverse String

Sliding-Log Rate Limiter (Deque of Admitted Timestamps)

Token-Bucket Rate Limiter with Bounded Pending Queue

Tree Reduction with (min, max) Associative Combiner

Two Sum